Neuro Snipits

Question 1

PNS/CNS Excitatory at NMJ

Answer 1

Acetylcholine

Question 2

4 Cells of Neuroglia

Answer 2

1. Astrocytes
2. Oligodendrocytes
3. Microglia
4. Ependymal Cells

Question 3

CNS, Inhibitory

Answer 3

GABA

Question 4

Excitatory/Inhibitory, Emotional Response, Addictive Behaviour, Skeletal Muscle Tone

Answer 4

Dopamine

Question 5

Excitatory/Inhibitory, Sensory perception, Temp Regulation, Mood, Sleep, Appetite

Answer 5

Serotonin

Question 6

Role of Astrocytes

Answer 6

Blood, Brain, Barrier

Provide nutrients to neurons

Question 7

Role of Oliogodendrocytes

Answer 7

Form, maintain myelin sheath of CNS neurons

Question 8

Microglia Role

Answer 8

Phagocytotic Cells, remove debris, phagocytize microbes

Question 9

Ependymal Cell Role

Answer 9

Produce and assist circulation of cerebral spinal fluid

Question 10

Neuroglia in PNS + functions

Answer 10

Schwann Cells: form the myelin sheath for PNS axons.

Regeneration of PNS axons

Question 11

Spinal Cord

Answer 11

• extends bottom of brain stem to L2
• tapers into conus medullaris
• roots of spinal nerves below are cauda equina

Question 12

4 structures of brain

Answer 12

1. Brain Stem
2. Cerebellum
3. Diencephalon
4. Cerebrum

Question 13

3 Regions of brain stem

Answer 13

1. Medulla Oblongata
2. Pons
3. Midbrain

Question 14

Medulla Oblongata

Answer 14

HR, BP, Breathing, Swallowing, Vomiting

Question 15

Pons

Answer 15

Control of breathing

Question 16

Midbrain

Answer 16

Reflex Visual Activity, Hearing

Substantia Nigra: neurons that make dopamine extend from it

Question 17

Reticular Formation

Answer 17

Like like formation of neural tissue spreads through brain stem.
Consciousness, attention, sensory overload prevention, regulate muscle tone

Question 18

Cerebellum

Answer 18

Smoothes coordinates skeletal muscle control, posture, balance

Question 19

Diencephalon Includes

Answer 19

Hypothalamus, Thalamus, Epithalamus

Question 20

Hypothalamus

Answer 20

Major regulator of homeostasis, Emotion and behaviour (Limbic System)

Question 21

Thalamus

Answer 21

Major relay station for most sensory input to the cerebral cortex

Question 22

Epithalamus

Answer 22

Smelling (especially emotional response)

-Pineal Gland

Question 23

Cerebral Cortex

Answer 23

Outer rim of grey matter
Sensory Area: Perception
Motor Area: Voluntary movement

Question 24

Association Area

Answer 24

Inner region of white matter

-Memory, emotions, reasoning, will, judgment, personality, intelligence

Question 25

Basale Ganglia/Nuclei

Answer 25

Regulate starting/stopping - Subconscious skeletal muscle contraction - suppress unwated movemt - resting muscle tone - LINKED TO SUBSTANTIA NIGRA

Question 26

Limbic System

Answer 26

Emotion, Smelling, Memory | -hypothalamus, hippocampus, amygdala

Question 27

Hippocampus

Answer 27

Memory, short term to long term

Question 28

Amygdala

Answer 28

Emotional function (Esp Fear)